The HA or HA Pool can be disable from the web interface or from a command line tool on SolarWinds servers.

When to disable HA ?

- To prevent a failover when we need to restart some service on a HA member
- To run the configuration wizard
- To upgrade the server - always active member first

From Web interface

List servers

Settings > My Orion Deployment > Servers

All the servers, HA and standalone are listed, you can expand the Pool to see the servers.

Disable / Enable HA globally

Click on HIGH AVAILABILITY SETTINGS

Simply switch On or Off the settings Enable High Availability

Disable /Enable HA Pool

Select the Pool and simply switch On or Off the setting HIGH AVAILABILITY on the right pane

From command line

The tool is available from the Installation folder, this can be either D: or E:

PS D:\SolarWinds\Orion> .\HAEnableDisable.exe /help

USAGE:
    HAEnableDisable /? | /Info | /DisablePool ['PoolName'] | /EnablePool ['PoolName'] | /DisableHA | /EnableHA

Options:
    /?            Display this help
    /Info         Shows current HA configuration/environment info
    /DisablePool  Disable HA Pool with specified name 'PoolName' (If name
                  is not provided disable Pool where local member is hosted)
    /EnablePool   Enable HA Pool with specified name 'PoolName' (If name
                  is not provided enable Pool where local member is hosted)
    /DisableHA    Disable HA globally
    /EnableHA     Enable HA globally

List HA servers

PS D:\SolarWinds\Orion> .\HAEnableDisable.exe /List

Disable HA globally

PS D:\SolarWinds\Orion> .\HAEnableDisable.exe /DisableHA

Disable HA Pool

PS D:\SolarWinds\Orion> .\HAEnableDisable.exe /DisablePool
PS D:\SolarWinds\Orion> .\HAEnableDisable.exe /DisablePool 'Main Pool'

Enable HA globally

PS D:\SolarWinds\Orion> .\HAEnableDisable.exe /EnableHA

Enable HA Pool

PS D:\SolarWinds\Orion> .\HAEnableDisable.exe /EnablePool
PS D:\SolarWinds\Orion> .\HAEnableDisable.exe /EnablePool 'Main Pool'

Get installation and running status

Check the Windows registry. This can be done by PowerShell easily:

Get-ItemProperty -Path HKLM:\SOFTWARE\WOW6432Node\SolarWinds\HighAvailability\ | Select-Object InstallType, RunType

Result:

InstallType       RunType
-----------       -------
AdditionalWebsite AdditionalWebsite

The value can be